五年級(jí)數(shù)學(xué)未知數(shù)計(jì)算策略提升1215

五年級(jí)數(shù)學(xué)未知數(shù)計(jì)算策略提升2024/08/19姓名：__________ 座號(hào)：__________ 情況：__________(46-30)×X=656(37-46)×X=-144(15-28)×X=-559(8-40)×X=-992(38+39)×X=308(29-1)×X=1232(26+13)×X=273(47-35)×X=480(36+6)×X=546(45+16)×X=2257(17+7)×X=288(2-22)×X=-240(45-11)×X=306(44+4)×X=1824(32-21)×X=451(5-32)×X=-243(29-40)×X=-517(24+22)×X=598(38+32)×X=210(47+49)×X=4608(24+2)×X=728(39+6)×X=1170(34-1)×X=1122(50-25)×X=275(45-45)×X=0(9+21)×X=570(48-20)×X=1008(8-35)×X=-1215(11+31)×X=462(31+39)×X=1400(23+19)×X=1806(3+32)×X=280(41-29)×X=528(23-17)×X=126(15-28)×X=-260(46+32)×X=3900(29-31)×X=-34(6+33)×X=780(43+37)×X=3440五年級(jí)數(shù)學(xué)未知數(shù)計(jì)算策略提升(答案)(46-30)×X=656X=41(37-46)×X=-144X=16(15-28)×X=-559X=43(8-40)×X=-992X=31(38+39)×X=308X=4(29-1)×X=1232X=44(26+13)×X=273X=7(47-35)×X=480X=40(36+6)×X=546X=13(45+16)×X=2257X=37(17+7)×X=288X=12(2-22)×X=-240X=12(45-11)×X=306X=9(44+4)×X=1824X=38(32-21)×X=451X=41(5-32)×X=-243X=9(29-40)×X=-517X=47(24+22)×X=598X=13(38+32)×X=210X=3(47+49)×X=4608X=48(24+2)×X=728X=28(39+6)×X=1170X=26(34-1)×X=1122X=34(50-25)×X=275X=11(45-45)×X=0X=38(9+21)×X=570X=19(48-20)×X=1008X=36(8-35)×X=-1215X=45(11+31)×X=462X=11(31+39)×X=1400X=20(23+19)×X=1806X=43(3+32)×X=280X=8(41-29)×X=528X=44(23-17)×X=126X=21(15-28)×X=-260X=20(46+32)×