四年級(jí)數(shù)學(xué)未知數(shù)計(jì)算強(qiáng)化訓(xùn)練冊(cè)1014

四年級(jí)數(shù)學(xué)未知數(shù)計(jì)算強(qiáng)化訓(xùn)練冊(cè)2024/08/19姓名：__________ 座號(hào)：__________ 情況：__________(31+39)×X=840(8+6)×X=700(33+7)×X=360(11+10)×X=483(38+36)×X=3108(31+23)×X=2484(41+29)×X=1400(22-25)×X=-126(37+11)×X=48(47-9)×X=1406(48-12)×X=1224(21+22)×X=86(43-3)×X=1640(9-15)×X=-216(28+36)×X=2048(36-23)×X=650(34-26)×X=248(26+10)×X=936(44-47)×X=-15(37-43)×X=-192(26+42)×X=680(9+22)×X=1085(1-44)×X=-946(33+24)×X=2280(48-20)×X=364(46+10)×X=1848(18-31)×X=-260(16-43)×X=-1080(14+11)×X=550(36+24)×X=2820(37+49)×X=3354(33-24)×X=306(2-5)×X=-93(49+31)×X=1120(28+7)×X=630(19-46)×X=-189(39-18)×X=777(47+4)×X=1581(1-25)×X=-792四年級(jí)數(shù)學(xué)未知數(shù)計(jì)算強(qiáng)化訓(xùn)練冊(cè)(答案)(31+39)×X=840X=12(8+6)×X=700X=50(33+7)×X=360X=9(11+10)×X=483X=23(38+36)×X=3108X=42(31+23)×X=2484X=46(41+29)×X=1400X=20(22-25)×X=-126X=42(37+11)×X=48X=1(47-9)×X=1406X=37(48-12)×X=1224X=34(21+22)×X=86X=2(43-3)×X=1640X=41(9-15)×X=-216X=36(28+36)×X=2048X=32(36-23)×X=650X=50(34-26)×X=248X=31(26+10)×X=936X=26(44-47)×X=-15X=5(37-43)×X=-192X=32(26+42)×X=680X=10(9+22)×X=1085X=35(1-44)×X=-946X=22(33+24)×X=2280X=40(48-20)×X=364X=13(46+10)×X=1848X=33(18-31)×X=-260X=20(16-43)×X=-1080X=40(14+11)×X=550X=22(36+24)×X=2820X=47(37+49)×X=3354X=39(33-24)×X=306X=34(2-5)×X=-93X=31(49+31)×X=1120X=14(28+7)×X=630X=18(19-46)